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13320019974 = 234095479923
BaseRepresentation
bin11000110011110111…
…10110000000000110
31021101021222010100010
430121323312000012
5204234411114344
610041422131050
7651040205322
oct143173660006
937337863303
1013320019974
115715893178
1226b8a20a86
13134378c031
14905070982
1552e5b78b9
hex319ef6006

13320019974 has 32 divisors (see below), whose sum is σ = 26756691840. Its totient is φ = 4420608192.

The previous prime is 13320019961. The next prime is 13320019981. The reversal of 13320019974 is 47991002331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1337377 + ... + 1347299.

It is an arithmetic number, because the mean of its divisors is an integer number (836146620).

Almost surely, 213320019974 is an apocalyptic number.

13320019974 is an abundant number, since it is smaller than the sum of its proper divisors (13436671866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13320019974 is a wasteful number, since it uses less digits than its factorization.

13320019974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10884.

The product of its (nonzero) digits is 40824, while the sum is 39.

The spelling of 13320019974 in words is "thirteen billion, three hundred twenty million, nineteen thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 409 547 818 1094 1227 1641 2454 3282 9923 19846 29769 59538 223723 447446 671169 1342338 4058507 5427881 8117014 10855762 12175521 16283643 24351042 32567286 2220003329 4440006658 6660009987 13320019974